Home / 2,810,089.21-3,878,017.54-1,722,151.02

Finding the Fourth Proportional to 2,810,089.21, 3,878,017.54 and 1,722,151.02

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Solution

The fourth proportional to 2,810,089.21, 3,878,017.54 and 1,722,151.02 is: 2,376,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,089.21 : 3,878,017.54 = 1,722,151.02 : x
  2. Step 2: Convert to fraction form
    2,810,089.21/3,878,017.54 = 1,722,151.02/x
  3. Step 3: Cross multiply
    2,810,089.21x = 3,878,017.54 × 1,722,151.02
  4. Step 4: Simplify right side
    2,810,089.21x = 6,678,531,882,013.18
  5. Step 5: Solve for x
    x = 6,678,531,882,013.18/2,810,089.21
  6. Step 6: Final answer
    x = 2,376,626.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.